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Update esp8266toEsp32.cpp

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stefanbode 2022-07-22 14:45:10 +02:00 committed by GitHub
parent c1fba57bb6
commit 51472ef842
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1 changed files with 9 additions and 12 deletions
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21
lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp
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@ -11,7 +11,6 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef ESP32
@ -70,16 +69,16 @@ int32_t _analog_pin2chan(uint32_t pin) { // returns -1 if uallocated
void _analogWriteFreqRange(uint8_t pin) {
_analogInit(); // make sure the mapping array is initialized
if (pin = 255) {
if (pin == 255) {
for (uint32_t channel = 0; channel < MAX_PWMS; channel++) {
if (pwm_channel[channel] < 255) {
ledcSetup(channel, pwm_frequency, pwm_bit_num);
}
}
} else {
int32_t chan = _analog_pin2chan(pin);
if (chan >= 0) {
ledcSetup(chan, pwm_frequency, pwm_bit_num);
int32_t channel = _analog_pin2chan(pin);
if (channel >= 0) {
ledcSetup(channel, pwm_frequency, pwm_bit_num);
}
}
}
@ -126,7 +125,7 @@ int32_t analogAttach(uint32_t pin, bool output_invert) { // returns ledc chan
// ledcAttachPin(pin, channel); -- replicating here because we want the default duty
uint8_t group=(chan/8), channel=(chan%8), timer=((chan/2)%4);
// AddLog(LOG_LEVEL_INFO, "PWM: ledc_channel pin=%i out_invert=%i", pin, output_invert);
ledc_channel_config_t ledc_channel = {
(int)pin, // gpio
@ -140,7 +139,6 @@ int32_t analogAttach(uint32_t pin, bool output_invert) { // returns ledc chan
};
ledc_channel_config(&ledc_channel);
ledcSetup(channel, pwm_frequency, pwm_bit_num);
// Serial.printf("PWM: New attach pin %d to channel %d\n", pin, channel);
return channel;
@ -160,19 +158,18 @@ extern "C" void __wrap__Z11analogWritehi(uint8_t pin, int val) {
/*
The primary goal of this function is to add phase control to PWM ledc
functions.
Phase control allows to stress less the power supply of LED lights.
By default all phases are starting at the same moment. This means
the the power supply always takes a power hit at the start of each
new cycle, even if the average power is low.
Phase control is also of major importance for H-bridge where
Phase control is also of major importance for H-bridge where
both PWM lines should NEVER be active at the same time.
Unfortunately Arduino Core does not allow any customization nor
extendibility for the ledc/analogWrite functions. We have therefore
no other choice than duplicating part of Arduino code.
WARNING: this means it can easily break if ever Arduino internal
implementation changes.
*/